Hydrohistorian
Modelled boundary. EPA estimated this service area (Random Forest) rather than tracing a utility-supplied map; treat the edge as approximate. About 2 km².
Where the water comes from
| Facility | Kind | Water |
|---|---|---|
| WELL NO 9 | Well | Groundwater |
| WELL NO 7 SHARED WITH DW MD NO 2 | Well | Groundwater |
| WELL NO 3 | Well | Groundwater |
| PURCHASED LAKE DURANGO | Consecutive connection (purchased) | Surface water · from LAKE DURANGO WA |
These are EPA's facility records, not DWR structures. Which decreed rights sit behind an intake is the next phase; nothing here is inferred.
Wholesale connections
Buys water from LAKE DURANGO WA.
Compliance record
Source Register of another agency · fetched 2026-09-09 · verify at EPA ECHO ↗
EPA's summary: violations in 0 of the last 12 quarters; not a serious violator.
2 health-based violations on the federal record all time, 0 violations open today. Most recent health-based: Maximum contaminant level exceeded, compliance period from 2020-01-01, returned to compliance 2020-05-18.
| Period | Kind | Health-based | Status | Measured | Codes |
|---|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | Maximum contaminant level exceeded | yes | returned to compliance (2020-05-18) | 0.0664 MG/L (limit 0.06) | v02 c2456 r220 |
| 2019-10-01 – 2019-12-31 | Maximum contaminant level exceeded | yes | returned to compliance (2020-05-18) | 0.06403 MG/L (limit 0.06) | v02 c2456 r220 |
Lead and copper: the latest 90th-percentile lead result is 0.001 mg/L (sampling period ending 2025-12-31) against an action level of 0.015 mg/L; 7 results on file.
SDWIS federal reporting carries violations and lead/copper percentiles only; nitrate, disinfection by-product and PFAS sample results are not in it. Codes are EPA's (violation, contaminant, rule); the ECHO report expands them.
PFAS and lithium: EPA's UCMR 5 monitoring, 2023–2025
Source Register of another agency · fetched 2026-09-09 · verify at EPA UCMR occurrence data ↗
EPA did not sample this system under UCMR 5 (the rule covered every system serving more than 3,300 people and a drawn sample of smaller ones).
The record
EPA SDWIS federal reporting as of 2026-09-08; the compliance record above is EPA's own, fetched monthly, and the ECHO report carries the rest. Report a problem →